13297727678 has 8 divisors (see below), whose sum is σ = 20123110368. Its totient is φ = 6590024224.

The previous prime is 13297727647. The next prime is 13297727687. The reversal of 13297727678 is 87672779231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13297727678² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29419526 + ... + 29419977.

It is an arithmetic number, because the mean of its divisors is an integer number (2515388796).

Almost surely, 2^13297727678 is an apocalyptic number.

13297727678 is a deficient number, since it is larger than the sum of its proper divisors (6825382690).

13297727678 is a wasteful number, since it uses less digits than its factorization.

13297727678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58839618.

The product of its digits is 12446784, while the sum is 59.

The spelling of 13297727678 in words is "thirteen billion, two hundred ninety-seven million, seven hundred twenty-seven thousand, six hundred seventy-eight".